package com.mobshep.mobileshepherd;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

public class CustomHttpClient {

  public static final int HTTP_TIMEOUT = 30 * 1000; // milliseconds

  private static HttpClient mHttpClient;

  private static HttpClient getHttpClient() {
    if (mHttpClient == null) {
      mHttpClient = new DefaultHttpClient();
      final HttpParams params = mHttpClient.getParams();
      HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
      HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
      ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
    }
    return mHttpClient;
  }

  public static String executeHttpPost(String url, ArrayList<NameValuePair> postParameters)
      throws Exception {
    BufferedReader in = null;
    try {
      HttpClient client = getHttpClient();
      HttpPost request = new HttpPost(url);
      UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(postParameters);
      request.setEntity(formEntity);
      HttpResponse response = client.execute(request);
      in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

      StringBuffer sb = new StringBuffer("");
      String line = "";
      String NL = System.getProperty("line.separator");
      while ((line = in.readLine()) != null) {
        sb.append(line + NL);
      }
      in.close();

      String result = sb.toString();
      return result;
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
}
